1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
attashe74 [19]
3 years ago
14

I NEED HELP ASAPPP PLEASE C. When the arm extends (straightens), which muscle contracts?

Biology
2 answers:
aivan3 [116]3 years ago
8 0

Answer:

When your biceps muscle in your higher arm contracts, it pulls your lower arm in to your shoulder. when it relaxes, your biceps cant push your arm back out.  and straightens your arm out.

Explanation:

Burka [1]3 years ago
5 0

Explanation:

When your biceps muscle in your upper arm contracts, it pulls your lower arm in towards your shoulder. However, when it relaxes, your biceps cannot push your arm back out. To do this, your triceps muscle, on the underside of your upper arm, contracts and straightens your arm out.

You might be interested in
I wonder if fish and marine mammals drink salty water
Valentin [98]

Fish and marine mammals sift out the salt from the water, then they drink it.
8 0
3 years ago
Read 2 more answers
A scientist discovers a multicellular creature in a coral reef. Which process do the new organisms use to synthesize DNA before
krok68 [10]

Explanation:

fixofogxfizfififisfiRirifizfizfizfizdjdiy

7 0
2 years ago
Global winds are directly caused by the Earth's rotation and ____
Artemon [7]
<h2>Answer:</h2>

(D)

<h2>Explanation:</h2>

The uneven heating of the Earth’s surface heats up the air which stirs up air currents in the atmosphere Ex. Jet streams, Easterly, Westerly winds.

4 0
3 years ago
Read 2 more answers
1.-Identify the different ways in which evolution can occur?
Jobisdone [24]
1. These four factors can effect ways evolution occur:

<span>1.) Mutation 
2.) selection
3.) Gene Flow
4.) Genetic Drift 

2.  </span>In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

Selection, in biology, the preferential survival and reproduction or preferential elimination of individuals with certain genotypes by means of natural or artificial controlling factors.

In population genetics, gene flow is the transfer of alleles or genes from one population to another.

<span>Genetic drift  is the change in the frequency of a gene variant in a population due to random sampling of organisms. </span>
4 0
3 years ago
Microscopic examination of an animal cell reveals the presence of a plasma membrane but no cell wall. Which additional structure
iragen [17]

Answer:

turttunn

Explanation:

5 0
2 years ago
Other questions:
  • What is common about all eggs no matter their size, grade, or color?
    10·1 answer
  • Q: A: Which of these would increase the rate of photosynthesis and lead to the production of more glucose? A) increase in availa
    15·1 answer
  • Please explain this I don't understand.
    14·2 answers
  • What are two NATURAL effects of groundwater movement on the landscape?
    7·1 answer
  • The general formula for a synthesis reaction is what
    10·1 answer
  • Select all the correct answers.
    12·2 answers
  • The origin and the insertion are made up of __________.
    10·1 answer
  • Chemical weathering is noted by
    6·1 answer
  • WILL MARK BRAINLIEST!<br> What is it called when you are afraid of sleeping?
    15·2 answers
  • Please no links or files or I will report
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!